little Mary is afraid of being left at home alone

问题描述:

little Mary is afraid of being left at home alone
这里没什么用being left,being 可以去掉吗

因为是被动的,所以一定要加be动词.
be afraid of sth这里of后面要接名词或动名词,being现在分词做动名词作用,如果去掉了,你想接什么呢?leaving?那意思就变成小玛丽害怕自己离开家了.